4967 Ascorbyl palmitate Antioxidant.Ascorbyl palmitate is an ester formed from ascorbic acid and palmitic acid creating a fat-soluble form of vitamin C. In addition to its use as a source of vitamin C, it is also used as an antioxidant food additive (E number E304). Oral supplements of ascorbyl palmitate are less effective, due to the substance breaking down again into its components before being digested. Ascorbyl palmitate is also marketed as "vitamin C ester. Ascorbyl palmitate has been shown to exhibit pro-oxidant function (A7931). 137-66-6 54676825 C22H38O7 White powder. 107 - 117 °C No indication of carcinogenicity to humans (not listed by IARC). 2014-09-11T05:22:00Z 2026-03-26T23:25:31Z http://en.wikipedia.org/wiki/Ascorbyl_palmitate true CCCCCCCCCCCCCCCC(=O)OCC(O)C1OC(=O)C(O)=C1O C22H38O7 InChI=1S/C22H38O7/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-18(24)28-16-17(23)21-19(25)20(26)22(27)29-21/h17,21,23,25-26H,2-16H2,1H3 QAQJMLQRFWZOBN-UHFFFAOYSA-N 414.5329 414.26175357 Exogenous Solid HMDB39883 10606454 CHEM003868 DTXSID3041611 NS00005460 2-(3,4-dihydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl hexadecanoate